The effects of flavonoids on the thermal autoxidation of palm oil and other vegetable oils determined by differential scanning calorimetry

1990 ◽  
Vol 165 (1) ◽  
pp. 129-137 ◽  
Author(s):  
T.A. Pereira ◽  
N.P. Das
Keyword(s):  
Differential Scanning Calorimetry ◽  
Vegetable Oils ◽  
Palm Oil ◽  
Scanning Calorimetry

scholarly journals Determination of iodine value of palm oil by differential scanning calorimetry

1997 ◽  
Vol 74 (8) ◽  
pp. 939-942 ◽  
Author(s):  
T. Haryati ◽  
Y. B. Che Man ◽  
A. Asbi ◽  
H. M. Ghazali ◽  
L. Buana
Keyword(s):  
Differential Scanning Calorimetry ◽  
Palm Oil ◽  
Iodine Value ◽  
Scanning Calorimetry

scholarly journals Conversion of palm oil to new sulfur-based polymer by inverse vulcanization

2021 ◽  
Vol 287 ◽  
pp. 02014
Author(s):  
Amin Abbasi ◽  
Mohamed Mahmoud Nasef ◽  
Wan Zaireen Nisa Yahya ◽  
Muhammad Moniruzzaman
Keyword(s):  
Thermal Stability ◽  
Differential Scanning Calorimetry ◽  
Fourier Transform ◽  
Thermogravimetric Analysis ◽  
Palm Oil ◽  
Elemental Sulfur ◽  
Molten State ◽  
Scanning Calorimetry ◽  
Environmental Friendly ◽  
Sulfur Containing

The conversion of palm oil into a sulfur-based polymer by copolymerization with sulfur powder at its molten state is herein reported. The obtained sulfur-containing polymer was characterized using Fourier transform infrared (FTIR), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC) to demonstrate the successful conversion. The disappearance of the peaks related to vinylic groups of oil together with the appearance of a peak representing C-H rocking vibrations in the vicinity of C-S bonds confirmed the copolymerization of sulfur with oil. TGA revealed that the polymers have thermal stability up to 230°C under nitrogen and the polymers leave 10% sulfur-rich ash. DSC proved that a small amount of elemental sulfur remained unreacted in the polymer, which showed amorphous and heavily crosslinked structure resembling thermosets. These copolymers are an environmental-friendly polymeric material promoting the utilization of the abundant sulfur while also adding value to palm oil.

Quality of Brazilian vegetable oils evaluated by (modulated) differential scanning calorimetry

2011 ◽  
Vol 110 (3) ◽  
pp. 1353-1365 ◽  
Author(s):  
Pieter Samyn ◽  
Gustaaf Schoukens ◽  
Leo Vonck ◽  
Dirk Stanssens ◽  
Henk Van den Abbeele
Keyword(s):  
Differential Scanning Calorimetry ◽  
Vegetable Oils ◽  
Scanning Calorimetry ◽  
Modulated Differential Scanning Calorimetry

scholarly journals The Application of Differential Scanning Calorimetry As a Mean to Determine the Oxidative Stability of Vegetable Oils and its Comparison with Rancimat

2015 ◽  
Vol 31 (3) ◽  
pp. 1389-1394 ◽  
Author(s):  
Yousef Ramezan ◽  
Mehrdad Ghavami ◽  
Manochehr Bahmaei ◽  
Mohammad Givianrad ◽  
Amir Hemmasi
Keyword(s):  
Differential Scanning Calorimetry ◽  
Oxidative Stability ◽  
Vegetable Oils ◽  
Scanning Calorimetry
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